Here's what rhymes with firedetection.
direction section detection objection ejection dejection abjection election protection affection correction injection perfection rejection projection dissection erection subjection defection redirection bisection collection connection infection selection inspection connexion complexion deflection resection reelection indirection interjection refection trisection reflection intersection resurrection insurrection convection imperfection inflection predilection disaffection circumspection reflexion confection inflexion reinfection recollection introspection disinfection disconnection misdirection retrospection genuflection interconnection Words that almost rhyme with firedetection
tension pension pectin beckon gentian attention mention session chairman detention reckon tendon cession dentin deaden destine penman pennon bellman deafen hessian seven depression heaven perception possession dimension lesson weapon brethren oppression repression retention deception digestion lemon lessen obsession resin dissension ascension distension headman leaden leaven melon pepsin pretension felon headmen heron sexton chevron freshen lepton penguin hempen redden vegan pressman hellion question exception extension impression intention profession aggression compression eleven invention prevention rebellion reception accession contention hypertension intestine procession redemption suppression suspension threaten inception recession secession freshman ingestion digression distention lengthen abstention declension henchmen preemption henchman stepson repossession headsman indention kelvin gremlin helpline nelson expression conception suggestion convention discretion succession apprehension concession confession progression regression strengthen congestion exemption intercession inattention indigestion dispossession interception concretion reinvention prepossession selectman subvention intervention condescension decompression watermelon rhododendron reprehension supervention comprehension contraception misconception transgression indiscretion retrogression circumvention preconception delicatessen nonaggression autosuggestion contravention misapprehension incomprehension nonintervention